288 INDEX. 



PAGE. 



Platypleuroceras, Hyatt. Bull. Mus. Comp. Zool., i, 92 *j:52 



Platyptera (Onycboteuthis), Orb. Moll. Voy. Amer. Merid., 41, t. 3, 



f. 8, 11, 1835. = Onychia peratiptera, Orb. 

 Plei (Loligo), Blainv. Jour, de Phys., 142, 1823. Fer. and Orb., 



Ceph. Acet. Calmars, t. 16, t. 24, f. 9-13 148 



Plesioteuthis, Wagner. Abbancll. Acad. Miinchen, viii, 18(50 106, 175 



Pleuroceras, Hyatt. Bull. Mus. Comp. Zool., i, 89 232 



Poeyianus (Loligo), Fer. Ceph. Acet. Calmars, t. 11), f. 1, 2, 3, 1833. 



= L. Brasiliensis, Blainv. 

 Polita (Argonauta). Conrad. Jour. A. X. S., Pbilnd., 2d ser., ii, 



333, 1854. = A. Kochiana, Dunker. 

 ?Polorthus, Gabb. Proc. Pbilad. Acad., 366, 1861. Ibid., 259, 



1872 270 



Polycronites, Troost. 5th Rep. Tennessee, 1840. Not clearly de- 

 fined. ? = Gyroceras. 

 Polyonyx (Enoploteuthis), Troschel. Arcbiv. fiir Xaturg., i, 67, t. 4, 



f. 9, 1857 173 



Polypus, Owen. Trans. Zool. Soc., 1838. = Eledone, Leach. 



Polyzenia (Octopus), Gray. B. M. Cat., 13, 1849. . . . 122 



Pompilius (Nautilus), Linn. Syst. Nat. edit, xii, 1161, 1767.. 24, 96, 215 

 Poradragus, Montf. Conch. Syst., i. 1808. = Belemnites, Lam. 

 Poterioceras, McCoy. Carb. Foss. Irel., 1844. = Gomphoceras. 

 Princeps (Architeuthis), Verrill. Am. Jour. Sci., 3d ser., ix, 181, t. 



5, f. 14, 15, 1875, x, 214, 1875. Ibid., xiv, 425, 1877. Verrill, Am. 



Naturalist, ix, 36, 79 f. 25, 26, 27, 1875 185 



Priouocyclus, Meek. Hayden's 2d Ann. Kept. U. S. Geol. Survey 



Terr., 298, 1872 237 



Prionotropis, Meek. U. S. Geol. Survey Terr., ix, 453, 1876. = S. G. 



of Prionocyclus, Meek 'j:!7 



Probatio (Ocythce) Leach. Phil. Trans. = Argonauta Argo, L. 

 Proboscideus (Dinoteutbis), More. Zoologist, p. 4526, 1875. = 



Architeuthis monachus, Steenstrup 80, 185 



Prototypus (Spirula), Peron. Voy. Austral., t. 30, f. 4, 1804. =8. 



Perouii, Lam. 



Pseudobelus, Duval. Belemn., 113. = Belemnites, Lam. 

 Pseudonautilus, Meek. Geol. Survey Terr., ix, 491, 1876. = S. G. 



of Nautilus, L 217 



Psiloceras, Hyatt. Bull. Mus. Comp. Zool., i, 72 226 



Pteronautilus, Meek. Am. Jour. Sci., 1867 214 



Pteropus (Ommastrephes), Steenstrup. Revue et Mag. Zool., 31, 



1863 75, 1 ;<) 



Pteroteuthis, Blainv. Diet. Sc. Nat., xxxii, 174. 1824. = Loligo, 



Lam. 



Ptiloteuthis, Gabb. Pal. Calif., ii, 128, 1869 155 



Ptychites, Mojsis. Abh Geol. Reichs., vi 241 



Ptychoceras d'Orb. Pal. Franc,. Terr. Cret., i, 554, 1841 220. j H 



Pulchra (Loligo), Blainv. Diet. Sc. Nat., xxvii, 144, 1823. Verany, 



Ceph. Medit., t. 34 146 



Punctata (Loligo), De Kay. Moll. N. Y., 3, t. i, f. 1, 1843. = L. 



Pealii, Lesueur 45, 1 42 



Punctata (Ocythoei, Say. Trans. Roy. Soc., 107, 1819. Argo 



nauta, Sp 140 



Punctatus (Anisoctus^ Raf. Good Book, 65, 1840. Binney ami 



Tryon's Rafinesque, 95 1 50 



Punctatus (Octopus), Blainv. Diet. Sc. Nat., xliii, 195, 1824. 



Argonauta hians, Sol. 



